Home / 858,854.07-1,185,254.78-476,916.39

Finding the Fourth Proportional to 858,854.07, 1,185,254.78 and 476,916.39

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Solution

The fourth proportional to 858,854.07, 1,185,254.78 and 476,916.39 is: 658,164.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,854.07 : 1,185,254.78 = 476,916.39 : x
  2. Step 2: Convert to fraction form
    858,854.07/1,185,254.78 = 476,916.39/x
  3. Step 3: Cross multiply
    858,854.07x = 1,185,254.78 × 476,916.39
  4. Step 4: Simplify right side
    858,854.07x = 565,267,428,523.26
  5. Step 5: Solve for x
    x = 565,267,428,523.26/858,854.07
  6. Step 6: Final answer
    x = 658,164.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.